1. miaoski
  2. pm25
  3. 119729928
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-10-25T03:16:00
humidity 68.7
temperature 30.76
pm25 52.4
geox 120.218
geoy 23.006